Professional Parts Sweden 21431478 Engine Coolant Thermostat Housing - Upper

Engine Coolant Thermostat Housing for Volvo Upper Applications

Professional Parts Sweden 21431478 is an engine coolant thermostat housing for upper cooling system applications on select Volvo models. It is a direct-fit replacement for 1993-1997 Volvo 850, 1998 Volvo C70, 1998 Volvo S70, and 1998 Volvo V70 with upper position fitment.

Key Features

• Engine coolant thermostat housing for upper cooling system placement
• Fits 1993-1997 Volvo 850, upper
• Fits 1998 Volvo C70, upper
• Fits 1998 Volvo S70, upper
• Fits 1998 Volvo V70, upper
• Professional Parts Sweden part number 21431478

Detailed Description

This thermostat housing is built for Volvo cooling system service where the thermostat assembly mounts in the upper position. Use Professional Parts Sweden 21431478 when replacing a worn, cracked, or leaking thermostat housing on Volvo 850, C70, S70, or V70 applications. This part cross-references URO 3531478 for the same application.

What It Is Used For

• Replacing a leaking thermostat housing
• Restoring proper coolant routing at the thermostat location
• Addressing cracked or heat-damaged housing material
• Correcting cooling system service issues on upper-mounted thermostat setups
• Supporting maintenance on Volvo 850, C70, S70, and V70 cooling systems

Installation Notes and Tips

Confirm the upper position and vehicle application before installation. Inspect the thermostat, sealing surfaces, and adjacent coolant hoses during service, and clean mating surfaces thoroughly before assembly. Verify coolant level and check for leaks after installation.

Quality Assurance

Professional Parts Sweden replacement parts are cataloged for specific vehicle applications to support accurate fitment selection. Verify part number 21431478 against your Volvo model and cooling system configuration before ordering.